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Finding the Fourth Proportional to 2,602.66, 3,590.43 and 1,607.58

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Solution

The fourth proportional to 2,602.66, 3,590.43 and 1,607.58 is: 2,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.66 : 3,590.43 = 1,607.58 : x
  2. Step 2: Convert to fraction form
    2,602.66/3,590.43 = 1,607.58/x
  3. Step 3: Cross multiply
    2,602.66x = 3,590.43 × 1,607.58
  4. Step 4: Simplify right side
    2,602.66x = 5,771,903.46
  5. Step 5: Solve for x
    x = 5,771,903.46/2,602.66
  6. Step 6: Final answer
    x = 2,217.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.